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HiFi Bluetooth 5.0 Digital Power Amplifier Board+Case Mini Stereo Subwoofer Amp

Artikelbeschreibung

Fetures:
  • [Multiple audio inputs]: with Bluetooth/3.5mm AUX/U-disk  inputs, almost compatible with all home audio device such as phone, tablet, computer, CD player etc., also comvenient for you to DIY.
  • [Bluetooth 5.1 & Classic TPA3116 chip]: supporting Bluetooth 5.1 to realize stable & high-speed transmission speed. 2PCS TPA3116D2 chip, one for bass channel and one for left and right channel amplification. Max output power can reach 50W*2(L/R) and 100W(subwoofer), easily to drive most home desktop / bookshelf / indoor passive speakers.
  • [Powerful design & wide voltage]: with preamplification and bass frequency division processing, 5PCS potentiometer are used for bass volume/bass frequency/left & right channel volume/main volume & input switch. DC 12-24V voltage, can be powered by switching power supply or storage battery, for enjoying high-quality music on the road or outdoors.
  • [Perfect circuit & HiFi clear sound]: concise layout and reasonable wiring, no pop and audible noise even at high power output. The sound is very clear and smooth, the bass with shocking effects just like in the cinema, providing auditory feast.
Parameters:
  • Audio input: Bluetooth/3.5mm AUX/U-disk
  • Audio output: raw cable speaker jacks + subwoofer jacks
  • Bluetooth version: 5.1
  • U-disk support format: WMA/MP3/WAV/FLAC
  • Max output power: 100W(subwoofer)+50W*2(L/R)
  • Input sensitivity: 600-800mV
  • Frequency response: 20Hz-20KHz
  • Speaker impedance: 4-8Ω
  • Subwoofer impedance: 2-8Ω
  • Working voltage: DC 12-24V
  • Board Dimensions(L*W*H): 100*100*22mm / 3.94*3.94*0.87in
  • Net weight (Board): 180g / 0.40lb
  • Package weight(without case): 260g / 0.57lb
  • Package weight(with case): 350g / 0.77lb
The relationship between output power, input voltage and speaker impedance:
GFB1388
 
If you want the matched 19V power supply please click: LINK 
Packing List
  • 1*Finished Board (optional)
  • 1*Finished Board + Case (optional) 
  • Notice: the case is packaged separately from amplifier board, you need to assemble the case with other accessories such as screws, shim, knobs etc.
Warm Tips
3-PIN interface is unavailable. If you need the 3-pin input, please connect the two points shown in the picture with tin.; but please noted it will not switch automatically after connecting 3.5mm AUX.
Safe and secure payment by PayPal.
Please leave VALID TELEPHONE NUMBER which is necessary and very important.
 
Customs Clearance
We are NOT responsible for any customs duties fee.
We are NOT responsible for any import tax or customs delay.
 
Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). 

Free Return Within 30 Days

We provide  return within 30 days for all items you bought on eBay, full refund and return shipping will be provided.

1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).

If you are satisfied with our products and service please leave a 5-star StarStarStarStarStar. Positive feedback rating Feedback is very important to us just like our lives, please DO contact us before you leave a neutral Neutral feedback rating or negative Negative feedback rating feedback, we will provide better solutions until you are satisfied.

 

 

 

Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc.
 
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
 
We will spare no efforts to bring great products and service for customers and extremely to improve our customers’ listening experience.
Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:
 
 Working time

Beijing(CN)Monday-Friday09:00 AM - 18:00 AM
New York(US)
Sunday to Thursday08:00 PM - 05:00 AM
London(UK)Monday-Friday01:00 AM - 10:00 AM
Paris(FR)Monday-Friday02:00 AM - 11:00 AM
 
During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
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